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| Number | Title | Issue Date |
| 7767856 | System and method for producing arylamine compounds Improved methods for making hole transport molecules (HTMs) that are incorporated into imaging members, such as layered photoreceptor devices, to increase the photoreceptor's “hole mobility,” or its ability to move charge, across its charge transport layer (CTL)... | 08/03/2010 |
| 7563932 | Microreactor technology to buchwald-hartwig amination A process for forming an arylamine compound, including reacting an arylamine and an aryl halide in the presence of a palladium ligated catalyst, a base and a suitable solvent in a microreactor. ... | 07/21/2009 |
| 7482492 | Cost effective method for synthesis of triarylamine compounds A process for forming a triarylamine compound includes reacting a halogenated aryl alcohol with an alcohol protecting agent and a first base to form a halogenated protected aryl alcohol compound, and reacting the halogenated protected aryl alcohol compound with an a... | 01/27/2009 |
| 7408085 | Rapid cost effective method for the synthesis of TPD-type arylamines A process for forming a tetra(aryl)-biphenyldiamine compound, including reacting a dibromobiphenyl compound and a diarylamine compound in the presence of a palladium ligated catalyst and a base. ... | 08/05/2008 |
| 7402699 | Process for arylamine production A tertiary arylamine compound, such as N,N-diphenyl-4-aminobiphenyl, is formed by reacting an arylbromidem such as 4-bromobiphenyl, and an arylamine, such as diphenylamine, preferably in the presence of a palladium ligated catalyst. ... | 07/22/2008 |
| 7402700 | Rapid, cost effective method for synthesis of diarylamine compounds A process for forming a diarylamine compound, including reacting an aniline and an arylbromide in the presence of a palladium ligated catalyst and a base. ... | 07/22/2008 |
| 7345203 | Cost effective method for synthesis of triarylamine compounds from an aniline and an arylchloride A process for forming a triarylamine compound, including reacting an aniline and an arylchloride in the presence of a ligated palladium catalyst and a base. ... | 03/18/2008 |
| 7332630 | Arylamine processes A process for the preparation of a tertiary arylamine compound, comprising reacting an arylhalide, such as an arylbromide, and an arylamine in an alkylene glycol compound in the presence of a catalyst. ... | 02/19/2008 |
| 7323608 | Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds One aspect of the present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-sulfur bond between the sulfur atom of a t... | 01/29/2008 |
| 7321066 | Method for producing aromatic diamine derivative The invention provides a method for efficiently producing an aromatic diamine derivative represented by formula (3) at high yield, the method including reacting an aromatic amide represented by formula (1) with an aromatic halide represented by formula (2): | 01/22/2008 |
| 7273953 | Process for producing arylamine A process for producing an arylamine is provided which is characterized by reacting an aromatic halogen compound with an aromatic amine in the presence of an organic salt selected from specific pyridinium salts, imidazolium salts and quaternary onium salts, a copper... | 09/25/2007 |
| 7250532 | Method for producing aromatic amino compound A method for producing aromatic amino compound (V): by synthesizing intermediate compound (IV): by the reaction of compound (I): H2N—R1 | 07/31/2007 |
| 7223879 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. ... | 05/29/2007 |
| 7217840 | Method for preparing 1,3,5-triaminobenzene and hydrolyzing it into high-purity phloroglucinal The invention concerns a method for method for preparing 1,3,5-triaminobenzene, characterized in that it comprises a step which consists in amination of a compound of formula (I), wherein: A represents a halogen atom or a NH2 group; X1 and X | 05/15/2007 |
| 7196214 | Process for arylamine production 4-aminobiphenyl derivative arylamine compounds are formed by providing an iodinated organic compound; substituting the iodinated organic compound at carboxylic acid groups thereof to provide ester protecting groups; conducting an Ullman condensation reaction to conv... | 03/27/2007 |
| 7179946 | Copper complexes and their use The invention relates to copper complexes of phosphorus compounds, to a process for their preparation and to their use in catalytic coupling reactions. ... | 02/20/2007 |
| 7170086 | Organic electroluminescent device, electronic device and manufacturing method thereof An organic electroluminescent (EL) device includes a substrate, a first electrode disposed on the substrate, an emission layer comprising a polymer disposed on the first electrode, a second electrode formed on the emission layer, and a metal infiltration preventing ... | 01/30/2007 |
| 7115784 | Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds The present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-nitrogen bond between the nitrogen atom of an amide or a... | 10/03/2006 |
| 6958204 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus An electrophotographic photosensitive member includes a charge generating material and a charge transfer material. The charge transfer material contains a triarylamine compound synthesized from an amine compound and an aryl halide in the presence of a catalyst compr... | 10/25/2005 |
| 6946560 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 09/20/2005 |
| 6946577 | Process for the production of aminodiphenylamines The present invention relates to a process for the production of aminodiphenyl-amines, such as 4-aminodiphenylamine (4-ADPA), by reacting nitrohalogenated benzenes with anilines in the presence of a base as well as a copper-phosphorus complex, followed by hydrogenat... | 09/20/2005 |
| 6894191 | Process for the preparation of arylamines The present invention provides a process for the preparation of arylamines comprises reacting aryl halide and aryl amine/heterocyclic amine. The said process is carried out in the presence of a solvent, catalyst and a base. ... | 05/17/2005 |
| 6888029 | Transition-metal-catalyzed carbon-nitrogen bond-forming methods using carbene ligands The present invention relates to a process for the preparation of N-aryl amine and N-aryl amide compounds. Generally, the process of the present invention involves reacting a compound having a primary or secondary amino or amido group with an arylating compound, in ... | 05/03/2005 |
| 6538158 | Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaphthalene 1,4-diaminonaphthalene and/or 1,5-diaminonaphthalene are produced by (a) reacting naphthalene with a halogen, (b) optionally, separating 1,4-dihalogen naphthalene or 1,5-dihalogen naphthalene from the mixture from step (a), and (c) reacting the mixture fr... | 03/25/2003 |
| 6479703 | Method for preparing polyhalogenated paratrifluoromethylanilines The invention concerns a novel method for preparing polyhalogenated paratrifluormethylanilines particularly useful as reaction intermediates for preparing compositions used as insecticides. The products of the inventive method are obtained by the action o... | 11/12/2002 |
| 6476265 | Method for producing aryl oligoamines In a process for preparing aryl oligoamines, an amine is reacted with an activated aromatic and a base in a temperature range from 0 to 150° C. in the presence of a palladium component and a phosphine ligand. The aryl oligoamines are obtained simply and in go... | 11/05/2002 |
| 6465693 | Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates A method is provided for the transition metal-catalyzed arylation, or vinylation, of hydrazines, hydrazones, and the like. Additionally, the invention provides a conceptually novel strategy, the cornerstone of which is the transition metal-catalyzed aryla... | 10/15/2002 |
| 6387545 | Organic hole transporting and blue light emitting electroluminescent materials A tertiary amine imparted quaterphenyl compound represented by the following formula: ##STR1## where R1 and R2, which can be different or the same, are hydrogen, C1 -C5 alkyl, or C6 -C12 ar... | 05/14/2002 |
| 6365776 | Process for producing aromatic amines The present invention provides an activator in arylamination using a palladium compound as a catalyst, which is superior to conventional phosphines in stability and performance. With the phosphine sulfide as an activator, an arylamination reaction achieve... | 04/02/2002 |
| 6353136 | Process for preparing aromatic amines in the presence of palladaphosphacyclobutane catalysts Aromatic amines of the formula (I) Ar--[NR6 R7 ]n (I) are prepared by reacting a haloaromatic of the formula (II) Ar--Hal (II) with an amine of the formula (III) R6 R7 NH (III) in the presence of a palladaphospha... | 03/05/2002 |
| 6242648 | Process for preparing triarylamine dimer The present invention intends to provide a simple process for preparing triarylamine dimer without using any expensive chemicals, the process being able to achieve high reaction yield and being advantageous to be carried out on an industrial scale. The pr... | 06/05/2001 |
| 6235936 | Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates A method is provided for the transition metal-catalyzed arylation, or vinylation, of hydrazines, hydrazones, and the like. Additionally, the invention provides a conceptually novel strategy, the cornerstone of which is the transition metal-catalyzed aryla... | 05/22/2001 |
| 6235938 | Transition metal-catalyzed process for preparing N-aryl amine compounds The present invention is directed to a process for the preparation of N-aryl amine compounds. The process of the present invention involves reacting a compound having an amino group with an arylating compound in the presence of a base and a transition met... | 05/22/2001 |
| 6222073 | Catalytic synthesis of N-alkylated anilines from olefins and anilines Process for the preparation of an N-arylethylaniline of the formula (I) Ar--N(R1)2-n (CHR2 CHR3 Ar')n (I) by reacting an aromatic olefin of the formula (II) Ar'CR3 =CHR2 (II) with an aniline ... | 04/24/2001 |
| 6162944 | Process for production of N-cyclopropylanilines and intermediates therefor Process for production of, from inexpensive raw materials of high commercial availability, N-cyclopropylanilines which are an important intermediate in producing a quinolonecarboxylic acid having a cyclopropyl group at the 1-position, a fluorine atom at t... | 12/19/2000 |
| 6114583 | Preparation of triarylamines A process for the preparation of triarylamines, wherein the process comprises reacting a diarylamine and a haloaromatic compound in a reaction medium comprising a phase-transfer catalyst and an aromatic solvent.... | 09/05/2000 |
| 6107521 | Process for the preparation of secondary amines N,N-disubstituted amines in which the amino nitrogen atom is bound to the carbon atom of an aromatic ring disubstituted in the positions ortho to the carbon atom, are prepared by allowing a primary amine and a compound in which an ortho, ortho-disubstitut... | 08/22/2000 |
| 6100398 | Transition metal-catalyzed process for preparing N-aryl amine compounds Disclosed is a process for the preparation of N-aryl amine compounds, comprising reacting an amine compound with an arylating compound in the presence of a base and a transition metal catalyst under reaction conditions effective to form an N-aryl amine co... | 08/08/2000 |
| 6043370 | Method for producing arylamine A method for the production of arylamine is described, which comprises allowing an aromatic amine to react with an aromatic halide in the presence of a copper-containing catalyst in a reaction solvent having an ionization potential of from 8.0 to 9.0 eV. ... | 03/28/2000 |
| 6013805 | Pentafluorothio-substituted isoxazoles The invention relates to intermediates to herbicidal compounds of formulae (Ia), (Ib) or (Ic): ##STR1##... | 01/11/2000 |
